Substrate

Substrate may refer to:

Physical layers

Substrate (biology), the natural environment in which an organism lives, or the surface or medium on which an organism grows or is attached
- Substrate (aquatic environment), the earthy material that exists in the bottom of an aquatic habitat, like dirt, rocks, sand, or gravel
- Substrate (vivarium), the material used in the bottom of a vivarium or terrarium
- Substrate (aquarium), the material used in the bottom of an aquarium
Substrate (building), natural stone, masonry surface, ceramic and porcelain tiles
Substrate (chemistry), the reactant which is consumed during a catalytic or enzymatic reaction
Substrate (materials science), the material on which a process is conducted
Substrate (printing), the base material that images will be printed onto
Printed circuit board (PCB), or more specifically, the electrically insulating portion of a PCB structure, such as fiberglass bound together with epoxy cement
Substrate (geology), a stratum on which another geologic stratum lies
Wafer (electronics), sometimes called a substrate for deposition or growth processes

Substratum (linguistics), in linguistics, a language that influences but is supplanted by a second language
Neural substrate, in neuroscience, the set of brain structures that underlies a specific behavior or psychological state
Substrate (blockchain framework) is a framework for developing blockchains on the Polkadot network